Drill bit



FIG. 1 is a perspective view of a first embodiment of a drill bit.

FIG. 2 is a left view of the drill bit of FIG. 1.

FIG. 3 is a right view of the drill bit of FIG. 1.

FIG. 4 is a top view of the drill bit of FIG. 1.

FIG. 5 is a bottom view of the drill bit of FIG. 1.

FIG. 6 is a front view of the drill bit of FIG. 1.

FIG. 7 is a rear view of the drill bit of FIG. 1.

FIG. 8 is a perspective view of a second embodiment of a drill bit.

FIG. 9 is a left view of the drill bit of FIG. 8.

FIG. 10 is a right view of the drill bit of FIG. 8.

FIG. 11 is a top view of the drill bit of FIG. 8.

FIG. 12 is a bottom view of the drill bit of FIG. 8.

FIG. 13 is a front view of the drill bit of FIG. 8; and,

FIG. 14 is a rear view of the drill bit of FIG. 8.

The portions of the design in broken lines do not form any part of the claimed design. 

The ornamental design for a drill bit, as shown and described. 